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ES The Big Bang
Test Description: Describe the Big Bang and evidence that supports it.
Instructions: Answer all questions to get your test result.
1) How long ago did the Universe begin?
A
The Universe has no beginning and no end.
B
There is no evidence to determine the age of the Universe.
C
13.7 billion years ago
D
4.6 billion years ago
2) What was the universe like in the beginning?
A
A huge mass of hydrogen and helium
B
The Universe is unchanging and was as it is now
C
A mass of light
D
An infinitely small, hot, dense point
3) What is contained in a singularity?
A
All matter, energy, and time
B
All time
C
All energy
D
All matter
4) What evidence supports the idea tht a small point expanded to the current size of the universe?
A
The heat of the universe
B
The abundance of hydrogen and helium
C
The continued movement of galaxies away from one another
D
Cosmic microwave background radiation
5) Which color of visible light has the longest wavelength?
A
red
B
green
C
orange
D
blue/violet
6) What does a red Doppler shift indicate about the movement of the wave source?
A
It is standing still
B
It is moving closer
C
It is moving farther away
D
It is moving in circles
7) What happens to the length of waves in front of a moving source?
A
They are unaffected by the movement
B
They are deformed
C
They are lengthened
D
They are shortened
8) How can scientist know that the Universe was incredibly hot when it first expanded?
A
The electromagnetic spectrum
B
CMB radiation
C
The red shift
D
The blue shift
9) What is the relationship between the distance between galaxies and the speed at which they are moving apart?
A
The farther apart they are the faster they are moving away
B
The farther apart they are the slower they are moving away
C
The relationship is too complex for high school students to understand
D
There is no correlation
10) What is the apparent change in wavelength of sound or light caused by motion of the source?
A
CMB
B
Hubble's Law
C
The Big Bang
D
The Doppler Effect
*select an answer for all questions
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